package cn.weakup.designpattern.c_structural.proxy;

/**
 * @author lixj
 * @version 1.0.0
 * @date 2022/6/5
 * @desc  Dao层接⼝
 */
public interface IUserDao {
    @Select("select userName from user where id = #{uId}")
    String queryUserInfo(String uId);
}
